1255245131 has 16 divisors (see below), whose sum is σ = 1443449280. Its totient is φ = 1069286400.

The previous prime is 1255245113. The next prime is 1255245137. The reversal of 1255245131 is 1315425521.

It is not a de Polignac number, because 1255245131 - 2¹⁸ = 1254982987 is a prime.

It is a super-2 number, since 2×1255245131² = 3151280677798414322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1255245094 and 1255245103.

It is not an unprimeable number, because it can be changed into a prime (1255245137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 964181 + ... + 965481.

It is an arithmetic number, because the mean of its divisors is an integer number (90215580).

Almost surely, 2^1255245131 is an apocalyptic number.

1255245131 is a deficient number, since it is larger than the sum of its proper divisors (188204149).

1255245131 is a wasteful number, since it uses less digits than its factorization.

1255245131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054.

The product of its digits is 6000, while the sum is 29.

The square root of 1255245131 is about 35429.4387621368. The cubic root of 1255245131 is about 1078.7219481075.

The spelling of 1255245131 in words is "one billion, two hundred fifty-five million, two hundred forty-five thousand, one hundred thirty-one".